package Demo;

public class Demo05 {
    public static void main(String[]args){
        long y=10000000000l;
        //int i=(int)10000000000l;//质疑！！！！！
        //int内存大小为4   long
        //10000000000 整型->long java默认int
        //flout double同理
        //System.out.println(i);
        System.out.println(y);
    }

}
